Masmi

SET -5% 3 x Masmi CLASSIC organic period underwear 100% cotton warranty 100 washes

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Size: M
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Period underwear, made from the healthiest GOTS-certified organic cotton, is reusable underwear worn during menstruation that replaces pads, tampons and other intimate hygiene products for women. Our underwear has been recognized as the best on the market by independent experts at Allegro and other independent rankings – see here: period underwear ranking (copy the link to your browser): https://allegro.pl/artykul/ranking-majtek-menstruacyjnych-2022-AgMwdkaYeSWnych 2022 – Allegro.plhttps://rankedo.pl/majtki-menstruacyjne-ranking/


Why choose Masmi period underwear?

  • 100% GOTS-certified organic cotton – the healthiest material for period underwear. It prevents irritation of intimate areas, inflammations, fungal infections and chafing. The underwear is hypoallergenic.
  • Our underwear does not "rustle" when worn, because the absorbent layer contains no films (polyurethane, polyester, etc.) – 100% discretion and peace of mind for you in any situation.
  • Guarantee up to 100 washes without loss of absorbency! – As the only company on the market we offer this guarantee on our underwear. When following the manufacturer's washing instructions, Masmi underwear will retain its properties up to 400 washes without loss of absorbency!
  • Highest absorbency (up to 77 grams of fluid) – that's more than 4 super-size tampons. It guarantees comfort and security all day or night. No stains on clothing after a full day at work/school and no marks on bedding in the morning. The best solution for first periods – high absorbency and long protection combined with the simplest use compared to inserting a tampon or changing a pad give girls unmatched comfort during these important days – one pair is enough for a whole day at school.
  • They perform brilliantly in extreme conditions during workouts, hikes, on a plane, while traveling, during long meetings or conferences + any other life situations where changing a pad, tampon or emptying a cup can be difficult – you don't have to give up your plans!
  • They are an excellent solution for postpartum women, for incontinence, discharge and for women with disabilities – you save time and money with exceptional comfort of use.
  • They are planet-friendly fully biodegradable, no component of the product was tested on animals, they contain no superabsorbents, films, plastics, artificial fragrance additives or allergenic ingredients. The most economical choice among all intimate hygiene products!

questions and answers:
  • Is it worth buying period underwear?
Among women who switched pads, tampons or cups to period underwear, reviews are very positive. Most say Masmi underwear works even on the first days with heavy flow. You need to change a pad or tampon every 3–4 hours depending on flow – Period underwear only needs to be changed twice a day. We recommend buying 2 pairs – wear one while the other is clean and ready, but if you want to be sure you always have a clean pair available, you can get more. Optimal quantity is 3 pieces.
  • Do you wear a pad or tampon with period underwear?

Period underwear is designed to provide protection on its own during menstruation. There is no need to use an additional pad, but if you feel more comfortable with one, you can use it just as you would with regular underwear. You can also wear the underwear for extra protection while using a tampon or menstrual cup.

  • Are period underwear expensive?
Period underwear is very efficient and durable, so the purchase is clearly economical. One pair can last 3–4 years without loss of absorbency. With proper washing and drying care from the manufacturer, this period can be up to 6 years (remember that underwear may last even longer but absorbency will decrease minimally – this process will not be noticeable to you). The cost of pads or tampons over a similar period is 3 to 6 times higher (depending on brands used) than buying 2–3 pairs of underwear. Additionally, the comfort of underwear is incomparable due to longer time between changes – 12 h for underwear vs 3–4 h for pads and tampons.
  • Do period underwear leak?
No, period underwear does not leak if used and cared for properly. However, you should observe your body and adjust wear time according to your flow.
  • Does menstrual underwear produce an unpleasant odor?
An unpleasant odor can sometimes occur if you have an intimate infection.
  • Do you feel dampness in period underwear?

If period underwear is washed correctly, it does not lose absorbency and should keep up with wicking moisture into the absorbent layer.

designed to fit your body - available in 4 sizes: S, M, L and XL


How to wash and care for the products?
  1. Wash before first use.
  2. After use we recommend rinsing and/or soaking before washing.
  3. Can be hand-washed or machine-washed with other laundry or in a separate laundry bag (if you prefer).
  4. If using a washing machine, wash at no higher than 40ºC.
  5. For proper care we recommend neutral soaps. Do not use chlorine, bleaches, fabric softeners, natural oils or Marseille soap, as they may affect absorbency quality.
  6. Do not use a tumble dryer, as it may reduce absorbency.

We guarantee unchanged absorbency of our underwear for up to 100 washes!

When following the manufacturer's washing and drying instructions, Masmi period underwear will retain its properties for up to 400 washes! Reusable hygiene items provide safety, high absorbency, full freedom of movement, great comfort and are very economical.

composition:

96% certified organic cotton, 4% elastane

absorbent layer: 97% certified organic cotton, 3% PU

Hypoallergenic product with four certifications: GOTS, FSC, VEGAN and COTTON NATURAL.

in black color

product suitable for vegans

made in Spain

SET OF 3 PAIRS OF PERIOD UNDERWEAR

THE PRODUCT IS PACKAGED IN A CARDBOARD BOX SEALED WITH A STICKER. FOR HYGIENE REASONS, RETURNS ARE NOT ACCEPTED AFTER OPENING.


In our shop you will also find other underwear models (composition and absorbency technical parameters of all Masmi underwear models are identical):

  1. model ELEGANT – with tulle inserts on the sides + lower rise (about 1–1.5 cm)
  2. model MODERN – lower rise (about 1–1.5 cm)


Masmi and SilverCare products differ only in outer packaging; the product is the same. If one brand is unavailable in the order, the equivalent from the other brand will be sent.

certificates: Suitable for Vegans

packaging: 1 pc

Size: L, M, S, XL

Manufacturer information
Manufacturer: COHITECH COTTON HIGH TECH, S.L., Colonia La Rabeia, S/n, Balsareny Barcelona, 08-660, Spain, info@masminaturalcotton.com

Exclusion from the right of return and exchange:
Intimate hygiene products such as menstrual underwear, sanitary pads with wings, panty liners, tampons, menstrual cups, etc., once the packaging has been opened, are not subject to return or exchange. Legal basis: pursuant to Art. 38 of the Consumer Rights Act of 30.05.2014 and EU Directive 2011/83 of 25.10.2011: The right of withdrawal from a contract concluded off-premises or at a distance does not apply to a consumer in relation to a contract for goods supplied in a sealed package which cannot be returned after opening for reasons of health protection or hygiene, if the package was opened after delivery.

1. How do Masmi panties differ from other period underwear?

Masmi panties stand out from competitors thanks to 100% GOTS-certified organic cotton, free from plastic, polyester or synthetics, which minimizes the risk of irritation and infections (e.g., vulvitis, TSS), as confirmed by independent lab tests. They offer the highest absorbency (77–166 g vs 25–50 g in other brands) and an absorbency guarantee for up to 100 washes (competitors max 60), without any rustling when worn or when sitting. They are biodegradable and hypoallergenic. Allegro rankings 2022–2024 recognized them as the best on the market. Try the difference at masmi.com.pl!

2. Are Masmi period panties safe for sensitive skin?

Yes, Masmi period panties are 100% safe for sensitive skin! Made from certified organic cotton (GOTS), they are hypoallergenic and free from toxins, pesticides, dioxins, chlorine, perfumes or superabsorbents that can cause irritation or intimate infections such as vulvitis. Tests by independent laboratories confirm that organic cotton minimizes the risk of allergies and disturbances to the vaginal microbiome compared to synthetic materials. Experience the comfort and safety of Masmi products — check them at masmi.com.pl!

3. Why choose organic cotton instead of cheaper alternatives?

Organic cotton, as used in Masmi panties, is healthier for intimate health because it is grown without chemical pesticides and fertilizers, eliminating the risk of harmful substances entering the body — the vaginal mucosa can absorb them within 4–8 seconds! Synthetic materials, e.g., polymers or viscose, can increase the risk of irritation, fungal infections or even long-term issues such as endometriosis, as indicated by research from the American Endometriosis Society. Masmi offers the natural protection that cheaper products do not.

3. What does the GOTS certificate mean and why is it important?

The GOTS (Global Organic Textile Standard) certificate guarantees that Masmi panties are made from organic cotton, produced in an environmentally and health-friendly way, without toxic chemicals or heavy metals. It confirms the highest safety standards — no pesticides, dioxins or chlorine, which minimizes the risk of infections and allergies. Masmi is unique in applying such strict criteria, which sets it apart on the market. Check details at masmi.com.pl and see how important this is for your health!

4. Are Masmi period panties cost-effective since they are more expensive than pads?

Yes, Masmi panties are an investment for years! One pair has an absorbency guarantee for up to 100 washes, which can be up to 5 years (approx. 60 periods), while 10 packs of pads or tampons last 10–12 periods. With absorbency from 77 g to 166 g (significantly more than 25–50 g from competitors) and no need for frequent changes, you save time and money. It’s an economical choice long-term.

5. Can Masmi panties help with health issues, e.g., endometriosis?

Yes, Masmi panties can support intimate health, including with endometriosis. Organic cotton, free from dioxins and chemicals, reduces the risk of irritation and hormonal disturbances that can worsen endometriosis symptoms — WHO research indicates a link between dioxins and this condition. The breathable structure and hypoallergenic properties of organic cotton additionally protect against infections.

6. How long can I wear Masmi period panties during my period?

Masmi panties are designed for use for up to 12 hours thanks to absorbency from 77 g (standard) to 166 g (triple absorbency), outperforming competitors (25–50 g). They are ideal for day, night or travel — no need to change every 2–3 hours like with tampons or pads, providing exceptional comfort. Care for them according to the instructions (wash up to 40°C without bleaches), and they will serve you for years. Learn more at masmi.com.pl!

7. Are Masmi panties ecological?

Yes, Masmi panties are 100% biodegradable thanks to organic cotton instead of plastic. They reduce menstrual waste — worldwide 500 billion single-use items are generated each year. Masmi’s factory uses solar panels and a closed water circuit, minimizing environmental impact. Choose consciously — check details at masmi.com.pl!

8. How do I wash Masmi period panties to preserve their properties?

Wash Masmi panties at up to 40°C with a neutral soap, avoiding bleaches and tumble drying, which guarantees up to 100 washes without loss of absorbency (even up to 400 with proper care). It’s simple and ecological — instructions are at masmi.com.pl. Start caring for yourself and the planet today!

9. Do Masmi panties leak during heavy periods?

No, Masmi panties do not leak even during heavy menstruation thanks to triple absorbency (up to 166 g). That’s more than the standard 25–50 g from competitors, as confirmed by Allegro rankings 2022–2024. Choose the model with appropriate absorbency and enjoy confidence — order at masmi.com.pl!

10. Where can I buy Masmi panties and how do I use a discount?

You can buy Masmi panties at masmi.com.pl. Discount programs are available on our site on each product page. Check the offer and start your Masmi journey today!

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